该多金属醋酸盐是一种含铝和稀土的多核金属配合物.Polymetallicacetate is a kind of polynuclear metal complex with aluminum and thulium.研究了铝粉粒度对含铝推进剂铝粉凝聚行为和燃烧速度的影响.The effects of aluminum particle size on agglomeration situation or burning rate of...
他红润的脸庞仍旧时常笑得堆起褶子。His ruddy face still routinely creases with mirth.他堆起许多木头.He piled a lot of logs.在一侧，民兵们正在堆起木柴，准备生起篝火。Off to one side, the militia was heaping up wood for a bonfire....
Polly, bewildered and embarrassed, dropped her head and scuffed her feet.波莉既困惑又尴尬，低下头拖着脚走开了。I'm a very girlie person while Polly is one of the lads.我女孩子气十足而波莉却像个小男孩。Polly gave her a crooked grin.波莉向她不自然地咧嘴一笑。...
拼写相同意思不同的两个单词是同形异义词.Two words are homographs if they are spelled the same way but differ in meaning.拼写发音相同但意思不同的两个单词是同形同音异义词.Two words are homonyms if they are pronounced or spelled the same way but have different meanin...